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Flight Reliability

DL 3807 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3807 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

86%
Arrive within 15 minutes
6 min
Average arrival delay
0%
Cancelled
9 min early
Median arrival delay

Based on 302 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(40 flights)
  • Tue88%(42 flights)
  • Wed93%(40 flights)
  • Thu84%(44 flights)
  • Fri84%(44 flights)
  • Sat92%(49 flights)
  • Sun83%(42 flights)
On-time by departure window
  • 6–9 AM96%(49 flights)
  • 9 AM–12 PM81%(156 flights)
  • 12–3 PM91%(32 flights)
  • 3–6 PM88%(33 flights)
  • 6–9 PM—(8 flights)
  • 9 PM–12 AM87%(23 flights)
On-time trend by month
90%
May

Jul 79% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202579%24
August 202577%31
September 202597%30
November 202573%22
December 202574%39
January 202697%35
February 2026100%16
March 202679%19
April 202686%22
May 202690%51
Departures on time
87%
Diverted
0.3%
Flights flown
301
Months covered
12

Keep nerding

Based on 302 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.